JPS60100162U

JPS60100162U - screwdriver - tool

Info

Publication number: JPS60100162U
Application number: JP15221984U
Authority: JP
Inventors: 勝行戸津
Original assignee: Individual
Current assignee: Individual
Priority date: 1984-10-11
Filing date: 1984-10-11
Publication date: 1985-07-08

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は本考案に係るドライバー工具の一実施例である
電動ドライバーに使用するビットホルダの一部断面分解
正面図、第２図は第１図に示すビットホルダの■−■線
断面図、第３図ａは第１図に示すビットホルダに嵌合す
るビットの側面図、第３図すは第１図に示すビットホル
ダに嵌合するビットの正面図、第４図は第１図に示すビ
ットホルダを組立てた状態を示す斜視図である。１０・・・・・・ビットホルダ、１２・・・・・・割溝
、１４・・・・・・支持尾部挿入孔、１６・・・・・・
ビット、１８・・・・・・段部、２０・・・・・・刃片
、２２・・・・・・支持尾部、２４・・・・・・補強ス
リーブ、２６・・・・・・コイルばね、２８・・・・・
・ホルダ段部、３０・・・・・・円筒アダプタ、３２・
・・・・・係止段部、３４・・・・・・ねじ、３６・・
・・・・すり割り。FIG. 1 is a partially sectional exploded front view of a bit holder used in an electric screwdriver, which is an embodiment of the screwdriver tool according to the present invention, and FIG. 2 is a sectional view taken along the line ■-■ of the bit holder shown in FIG. 1. Figure 3a is a side view of the bit that fits into the bit holder shown in Figure 1, Figure 3 is a front view of the bit that fits into the bit holder shown in Figure 1, and Figure 4 is the same as Figure 1. FIG. 3 is a perspective view showing an assembled state of the bit holder shown in FIG. 10... Bit holder, 12... Division groove, 14... Support tail insertion hole, 16...
Bit, 18... Step part, 20... Blade piece, 22... Support tail, 24... Reinforcement sleeve, 26... Coil Spring, 28...
・Holder step part, 30...Cylindrical adapter, 32・
...Locking step, 34...Screw, 36...
...Slot.

Claims

[Scope of utility model registration request]

A split groove is provided at the tip of the shaft, and a blade insertion hole is bored in the center of the split groove, and a blade consisting of a main part of the blade and a support tail is inserted into the split groove through the blade insertion hole. In the driver tool, a reinforcing sleeve is fitted and fixed to the outer periphery of the distal end portion of the shaft provided with the split groove,
The main part of the blade is configured to have a width slightly narrower than the diameter of the shaft, and is fitted into the split groove, and a cylindrical adapter is attached to the outer periphery of the shaft, and one end of the cylindrical adapter is made elastic through a coil spring. and the other end is slidably engaged with the outer periphery of the shaft so as to extend to a position surrounding a blade provided at the tip of the shaft, and further slidably attached to the outer periphery of the shaft. Furthermore, a narrow diameter stepped portion is provided on the outer periphery of the shaft and extends a predetermined distance toward the base side from the reinforcing sleeve fixed to the distal end of the shaft, while a part of the cylindrical adapter attached to surround this stepped portion A screwdriver tool characterized in that a protrusion protruding toward the stepped portion is provided at the portion to define a sliding range of the cylindrical adapter.